html,
body,
#app {
  height: 100%;
}
/* body {
  font-size: 75;
} */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 75px;
}
body {
  height: 100%;
}
ul,
ol {
  list-style: none;
}
a,
a:link,
a:visited,
a:hover,
a:active {
  text-decoration: none;
  cursor: pointer;
  color: #000;
}
input {
  outline: none;
  border: 0px;
}
button {
  border: 0px;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.clearfix::before,
.clearfix::after {
  content: '';
  display: block;
  visibility: hidden;
  height: 0;
  line-height: 0;
  clear: both;
}
